img {
  width: 100%;
  vertical-align: middle;
}
a:hover {
  text-decoration: none;
}
li {
  list-style: none;
}
ul {
  margin: 0;
  padding: 0;
}
.w {
  width: 1200px;
  margin: 0 auto;
}
body {
  background: #eeeeee;
}
header {
  height: 75px;
  background: #31393c;
}
.box {
/*
旧样式
padding: 15px;
  color: #F7E5C3;
  background: #31393c;
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175);*/

  padding: 15px;
  color: #000000;
  background: #ffffff;
}
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.header .nav {
  height: 100%;
}
.header .nav .logo {
  margin-right: 30px;
  display: flex;
  align-items: center;
  width: 60px;
}
.header .nav-meau,
.header .user {
  display: flex;
  align-items: center;
  height: 100%;
}
.header .nav-meau li,
.header .user li {
  height: 100%;
}
.header .nav-meau li a,
.header .user li a {
  padding: 0 25px;
  display: flex;
  align-items: center;
  height: 100%;
  color: #F7E5C3;
}
.header .nav-meau li a:hover,
.header .user li a:hover,
.header .nav-meau li a.active,
.header .user li a.active {
  transition: all 0.3s;
  color: #31393c;
  background: #F7E5C3;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}
.header-bg {
  margin-bottom: 25px;
  position: relative;
  height: 300px;
}
.header-bg img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  /*filter: blur(8px);*/ /*模糊效果*/
}
.header-bg .title {
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  padding: 15px;
  border-radius: 10px;
  text-align: center;
  color: #ffffff;
  font-weight: 600;
  font-size: 18px;
  background: #000000;
  transition: all 1s;
}

.header-bg .title:hover {
  background: #ffffff;
  color: #000000;
}
.banner-bg {
  position: absolute;
  width: 100%;
  background-image: url(../images/banner1.jpg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  filter: blur(10px);
}
.banner {
  position: relative;
}
.banner .swiper {
  width: 100%;
  height: 100%;
}
.banner .swiper-slide {
  background-position: center;
  background-size: cover;
}
.banner .swiper-slide img {
  display: block;
  width: 100%;
}
.banner .swiper-button-next,
.banner .swiper-button-prev {
  color: #fff;
}
.banner .swiper-pagination-bullet-active {
  background: #fff;
}
.banner .swiper-pagination-bullet {
  width: 15px;
  height: 15px;
}
.content {
  display: flex;
  justify-content: space-between;
}



.content .content-l {
  width: 850px;
}


.content .content-l .card {
  margin-bottom: 15px;
}
.content .content-r {
  width: 325px;
}



.footer {
  padding: 15px;
  color: #F7E5C3;
  background: #31393c;
}
.footer a {
  color: #F7E5C3;
}
.footer a:hover {
  text-decoration: underline;
}
.contentAbout .card {
  margin-bottom: 0 !important;
}
.contentAbout .picbox {
  display: flex;
  align-items: center;
  justify-content: center;
}
.contentAbout .picbox .pic {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 75px;
  height: 75px;
  background: #31393c;
  border-radius: 5px;
}
.contentAbout .picbox .pic .iconfont {
  font-size: 30px;
  color: #F7E5C3;
}
.contentAbout .btn {
  color: #F7E5C3;
  background: #31393c;
}
.contentAbout .btn.focus,
.contentAbout .btn:focus {
  outline: 0;
  box-shadow: 0 0 0 0.2rem #F7E5C3;
}
.contentBlog .card a {
  color: #F7E5C3;
}
.contentBlog .pic {
  height: 200px;
}
.contentBlog .pic img {
  height: 100%;
  object-fit: cover;
  object-position: center center;
}
.contentBlog .page-link {
  color: #31393c;
  border: 1px solid #31393c;
}
.contentBlog .page-item.active .page-link {
  color: #F7E5C3;
  background-color: #31393c;
  border-color: #31393c;
}
.contentBlog .page-item.disabled .page-link {
  border-color: #31393c;
}
.contentBlogDetails .blockquote {
  padding-left: 25px;
  border-left: 3px solid #31393c;
}
.contentBlogDetails .userBox {
  display: flex;
  align-items: center;
  justify-content: center;
}
.contentBlogDetails .userBox .user {
  width: 75px;
  height: 75px;
  border-radius: 50%;
}
.contentBlogDetails .btn {
  color: #F7E5C3;
  background: #31393c;
}
.contentBlogDetails .btn.focus,
.contentBlogDetails .btn:focus {
  outline: 0;
  box-shadow: 0 0 0 0.2rem #F7E5C3;
}
.contentVideo .item {
  margin-bottom: 15px;
  cursor: pointer;
}
.contentVideo .item .pic {
  position: relative;
  overflow: hidden;
}
.contentVideo .item .pic img {
  height: 150px;
  object-fit: cover;
}
.contentVideo .item .pic::after {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 100%;
  content: '';
  background: rgba(0, 0, 0, 0.3) url(../images/icon-bf.png) no-repeat center;
  background-size: 45px;
}
.contentVideo .item:hover .pic::after {
  animation: move 0.2s forwards;
}
@keyframes move {
  0% {
    top: 100%;
    opacity: 0;
  }
  100% {
    top: 0;
    opacity: 1;
  }
}
.fixedVideo {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.2);
}
.fixedVideo .videoBox {
  position: absolute;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  padding: 15px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 2px 10px rgba(255, 255, 255, 0.7);
}
.fixedVideo .videoBox video {
  width: 100%;
  height: 100%;
}

/*关闭按钮样式*/
.fixedVideo .videoBox .btn-close {
  position: absolute;
  top: 0;
  right: 0;
  width: 45px;
  height: 45px;
  border: 0;
  color: #000;
  background: #fff;
}

/*当鼠标悬停在关闭按钮上时，背景颜色变为红色 过渡效果为0.3秒*/
.fixedVideo .videoBox .btn-close:hover {
  transition: all 0.3s;
  color: #fff;
  background: red;
}
